I remember being suprised at how fast a driver Bill was. I was following him from Palo Alto up to the empty plot of land that was to be Bill and Karin’s house, he in his Audi, me in my ageing Saab. I struggled to keep up, especially with the winding, narrow roads towards the end of a journey. I suspected that he was being kind to me in not letting me slip out of sight in his rear view mirror…